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| Criterion |  Decision Making Pre-Mortem |  Architecture Software Architecture Canvas |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 20–45 min | 1-2 h | 45-60 min |
Participantsdifferent | Small cross-functional group | 3-10 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Architecture Canvas, Goals, Constraints, Quality Attributes | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RiskDecisionFailurePlanning | CanvasArchitectureAlignmentWorkshop | AssumptionsRiskExperimentsValidation |
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